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`Delta ABC ` में , `/_B = 75^(@), /_C = 32^(@), /_A` ज्ञात कीजिए |

Answer» `Delta ABC` में, `/_A+/_B +/_C = 180^(@)`
`implies /_A+ 75^(@) + 32^(@) = 180^(@)implies /_A + 107^(@) = 180^(@)`
`implies /_A = 180^(@) - 107^(@) = 73^(@)`


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